<VV> non-Corvair question...
corvairduval at cox.net
Fri Sep 15 23:29:53 EDT 2017
Blue Point makes some drive in tools that look like Torx bits to remove
broken bolts. I see where the idea came from.:-)
My first go to tool for smaller screws or non-rusty bolts is a left
handed drill bit. Sometimes it snags the bolt and unscrews the problem. Yay!
Snap-On makes them, machine shop tool suppliers sell them, and I am
having real good luck with the ones I bought at Harbor freight!
On larger bolts, I go with the MIG weld a nut over the bolt. Works great
on rusty fasteners. Quenching with water helps also. Broken part gets
thrown away, so who cares if the hardness changes to brittle? The shock
to the rust is good.
On Corvair exhaust manifolds here in the rusty east, I just saw off the
broken stud and drill a 5/16" hole to tap a new set of 3/8-16 threads. I
gave up ever trying to remove broken rusted exhaust studs out here on
On 9/15/2017 2:10 PM, shortle via VirtualVairs wrote:
> Normally a steel bolt in a cast iron part will come out pretty easy. I stay away from E Z out as they just seem to be too easy to break off creating a bigger mess. I prefer to center punch, drill hole, then gently hammer in a Torx bit. I also use a Snap On bit as they are probably stronger than many other brands.
> Timothy Shortle in Durango Colorado 81301
> -----Original Message-----
>> From: "Kinzelman, Andy via VirtualVairs" <virtualvairs at corvair.org>
>> Sent: Sep 15, 2017 10:18 AM
>> To: "virtualvairs at corvair.org" <virtualvairs at corvair.org>
>> Subject: <VV> non-Corvair question...
>> My friend (former Corvair owner) has a Dodge 340 with a broken exhaust bolt - broken flush to the surface of the head. There is no exhaust manifold on it, and the engine is currently out of the car.
>> Anybody have any suggestions how this might be removed without drilling it out?
>> Andy K.
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